Wisconsin Contractor License Classifications

Wisconsin Contractor License Classifications

In Wisconsin, as in other states of the U.S, you must have a valid license if you want to maintain work as a handyman, builder, or just a General Contractor.

Firstly, you must apply for Wisconsin Contractor License. Then meet the Wisconsin state requirements, pay the needed amount, and get your license. It is the Department of Safety and Professional Services that issues the Contractor Licenses in Wisconsin. However, not all specialties require you to have a state license. Some of them just you can simply obtain at the local level. Homeowners even have the right to obtain a self-permit.

Wisconsin doesn’t have continuing education requirements. You just need to show in total 4 years of education and experience.

In fact, you just need to determine your license type and undergo some simple processes. For this case, you can check the classification of Wisconsin’s Contractor License.

If you want to work as a handyman, builder, or general contractor in Wisconsin, you must apply for Wisconsin Contractor License. Generally, the Department of Safety and Professional Services issues the licenses. Dwelling contractors undergo a bit different process.

Therefore, if you want to obtain your Wisconsin contractor license, you need to take into account the local state criteria. It is necessary if you wish to work as a licensed contractor.

Wisconsin Contractor License Classifications and Sub-Classifications

In Wisconsin, there are three main types of contractor licenses: General Contractors, Mechanical Contractors, and Electrical Contractors.

Each license type has its own set of contractor sub-categories.

General Contractors

Dwelling Contractors

Dwelling contractors are those who want to work on the one-or two-family house.

They generally conduct work that may require to have building permits. All the dwelling contractors in Wisconsin must complete at least 12 hours of training in housing buildings. They must pass the course within one year.

Dwelling Contractors: Qualifier

This is a personal type of license. In fact, people who wish to conduct work on single-family or two-family houses. Generally, they are also required to get construction permits. In this case, they may apply for a Dwelling Contractors Qualifier License.

Dwelling Contractors: Restricted

Restricted Dwelling Contractors License is for home contractors. Thus, people who obtain this license have some restrictions. Generally, these are applicants who have a bond of less than $25,000.

Mechanical Contractors

HVAC contractors

People who meet the following requirements can apply for an HVAC license:

  • First, an applicant must have at least 1,000 hours of experience in the design, installation, service, or maintenance of HVAC systems. Otherwise, he must at least have worked with HVAC equipment for no less than 4 years.
  • Secondly, he/she must complete at least four years of study in a mechanical engineering school or a recognized institution in an HVAC related program
  • Finally, the minimum mix of your education and experience must be no less than 4 years.

Liquefied Gas Supplier

You must obtain a Liquefied Gas Supplier License if you ever want to fill liquified petroleum gas in the containers. The case can be used as fuel. Generally, it is the Department of Safety and Professional Services that issues this type of license.

But, if you use your gas supplier for your own need and just fill containers up to 4 pounds of water capacity, you don’t have to apply for the license.

​Automatic Fire Sprinkler Contractor

Contractors who want to install, maintain, or repair automatic fire sprinkler systems must apply for an Automatic Fire Sprinkler License.

If a person is repairing, replacing, or maintaining electrical equipment for existing automatic fire sprinkler systems, he doesn’t need any credentials.

Wisconsin Contractor License Classifications: The sub-categories:

  • Contractor Maintenance for Automatic Fire Sprinklers
  • Journeyman Automatic Fire Sprinkler Fitter
  • Maintenance of Automatic Fire Sprinkler Fitters
  • Apprentice for an Automatic Fire Sprinkler System
  • Tester for Automatic Fire Sprinkler Systems
  • Learner of Automatic Fire Sprinkler Systems

​Electrical Contractor

In fact, anyone who wants to work with electrical wire or propose to install, repair, or maintain electrical wiring should apply for Electrical Contractor License.

Elevator Contractor

If you want to get in the business of constructing, installing, or managing conveyances in Wisconsin, then the state requires you to obtain an Elevator Constructor’s License.

​Utility Contractor

An applicant who wants to work in the planning, supervising, and practical installation of piping fields can apply for a Utility Contractor License. His main requirement is to manage liquid wastes to a legal point of disposal. Moreover, the applicant must have skills also in the design work. He must be able to plan, supervise and install piping service of water. The installed service mains from the street inside the building.

Wisconsin Contractor License Classifications: Other specialties


Bricklayers in Wisconsin can legally use chemicals to lay and bond construction materials.


With the Contractor License, Carpenters in Wisconsin may install, build or repair structures that have wood as a basement including fittings such as concrete forms.

Concrete Finishers/ Cement Masons

If someone wants to smooth and polish poured concrete surfaces in Wisconsin, then Wisconsin Contractor License is a need. They can work with walkways and roadways.

Construction Craft Laborers

Construction Craft Laborers work on construction sites doing physical labor.

They may use a variety of hand and power equipment for

  • site cleaning and preparation
  • trenches digging
  • braces installation to support excavation sidewalls
  • removing garbage and other debris.


Glaziers are people who put glass in windows as well as on surfaces including building facades, internal walls, ceilings, and tabletops.

Insulators of Heat and Frost

They generally assist in managing and maintaining temperature. Insulators generally work with pipes, ductwork, and other mechanical systems.


Ironworkers’ main duty is to position and connect iron or steel girders. They create finished structures or structural frameworks.


Usually, plasters work with such materials as plaster, cement, stucco on both the inside and outside of buildings. Sets decorative plaster as well.


Plumbers build, install, or repair pipes, fittings, or fixtures of heating, water, or drainage systems in Wisconsin.


Their main duty is covering the roofs with asphalt, aluminum, wood, or such materials.

In addition, they also may spray material to bind, seal, insulate, or soundproof structural parts.

Sheet Metal

In Wisconsin, if you need permission to work with sheet metal goods and equipment you must obtain a contractor license.  This includes working with materials such as ducts, control boxes, drainpipes, and furnace casings.

Tile Setter

In Wisconsin, tile setters are legally allowed to hard tile, marble tile, and wood tile. These can be used on walls, floors, ceilings, and roof decks.

Telecommunications Installer-Technician

Usually, media installers are responsible for configuring decommission switching. They also work with TV distribution, routing, and dialing equipment.

As well as they can work in service voice, data, and video equipment.

Amalik B

Amalik B

Amalik is a junior content writer. She has graduated from YSU as a pedagogy philologist of the French language. During a year of her experience as a content writer, Amalik has written content for several websites and took part in some social media campaigns. Since 2017, she has been a volunteer in PAVU being an interpreter in various events. Nowadays she is also volunteering in Children of Regions, and in the frames of some projects teaches English and French.